package wql.demo07;

/**
 * @author wql
 * @version 1.0
 * @date 2022/10/26 9:28
 */
@SuppressWarnings("all")
public class Test {
    public static void main(String[] args) {
        haha haha = new haha();
        haha.show();
        int a=12;
        int b=234;
    }

}
class haha{
    @Override
    public String toString() {
        return super.toString();
    }
    @Deprecated
    public void show (){
        System.out.println("过时的");
    }
    @FunctionalInterface
    //只有一个抽象方法
    interface usssb{
        public void haha();

    }
}
